Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 372 (INSTRUMENT PANEL, GAUGES & CONSOLE)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
1999 GMC Forward Control 5.7 R, Automatic
Fastener Tightening Specifications
1999 GMC Forward Control 5.7 R, AutomaticSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Air Duct Assembly to Instrument Panel Carrier Bolts | 2 N.m | 18 lb in |
| Air Duct to Upper Trim Pad Nuts | 2 N.m | 18 lb in |
| Inflatable Restraint Filler Panel to Instrument Panel Carrier Bolts | 11 N.m | 97 lb in |
| Instrument Cluster to Instrument Panel Carrier Screws | 2 N.m | 18 lb in |
| Instrument Panel Carrier to Vehicle Bolts | 50 N.m | 37 lb ft |
| Instrument Panel Compartment to Instrument Panel Carrier Bolts | 2 N.m | 18 lb in |
| Instrument Panel Driver Knee Bolster Panel to Instrument Panel Bolts | 4 N.m | 35 lb in |
| Instrument Panel Passenger Knee Bolster to Instrument Panel Bolts | 4 N.m | 35 lb in |
| Knee Bolster Bracket to Instrument Panel Carrier Nuts | 10 N.m | 89 lb in |
| Knee Bolster Trim Panel to Instrument Panel Carrier Bolts | 4 N.m | 35 lb in |
| Passlock Module Bracket to Instrument Panel Carrier Bolts | 3 N.m | 27 lb in |
| Relay Center Bracket to Knee Bolster Inner and Outer Bracket Screws | 2 N.m | 18 lb in |
| Steering Column to Instrument Panel Carrier Nuts | 47 N.m | 35 lb ft |
| Upper Trim Pad to Instrument Panel Carrier Bolts | 2 N.m | 18 lb in |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.